<template>
	<div class="register">
		<el-form
			ref="registerRef"
			:model="registerForm"
			:rules="registerRules"
			class="register-form"
		>
			<h3 class="title">若依后台管理系统</h3>
			<el-form-item prop="username">
				<el-input
					v-model="registerForm.username"
					type="text"
					size="large"
					auto-complete="off"
					placeholder="账号"
				>
					<template #prefix
						><svg-icon
							icon-class="user"
							class="el-input__icon input-icon"
					/></template>
				</el-input>
			</el-form-item>
			<el-form-item prop="password">
				<el-input
					v-model="registerForm.password"
					type="password"
					size="large"
					auto-complete="off"
					placeholder="密码"
					@keyup.enter="handleRegister"
				>
					<template #prefix
						><svg-icon
							icon-class="password"
							class="el-input__icon input-icon"
					/></template>
				</el-input>
			</el-form-item>
			<el-form-item prop="confirmPassword">
				<el-input
					v-model="registerForm.confirmPassword"
					type="password"
					size="large"
					auto-complete="off"
					placeholder="确认密码"
					@keyup.enter="handleRegister"
				>
					<template #prefix
						><svg-icon
							icon-class="password"
							class="el-input__icon input-icon"
					/></template>
				</el-input>
			</el-form-item>
			<el-form-item prop="code" v-if="captchaEnabled">
				<el-input
					size="large"
					v-model="registerForm.code"
					auto-complete="off"
					placeholder="验证码"
					style="width: 63%"
					@keyup.enter="handleRegister"
				>
					<template #prefix
						><svg-icon
							icon-class="validCode"
							class="el-input__icon input-icon"
					/></template>
				</el-input>
				<div class="register-code">
					<img
						:src="codeUrl"
						@click="getCode"
						class="register-code-img"
					/>
				</div>
			</el-form-item>
			<el-form-item style="width: 100%">
				<el-button
					:loading="loading"
					size="large"
					type="primary"
					style="width: 100%"
					@click.prevent="handleRegister"
				>
					<span v-if="!loading">注 册</span>
					<span v-else>注 册 中...</span>
				</el-button>
				<div style="float: right">
					<router-link class="link-type" :to="'/login'"
						>使用已有账户登录</router-link
					>
				</div>
			</el-form-item>
		</el-form>
		<!--  底部  -->
		<div class="el-register-footer">
			<span>Copyright © 2018-2022 ruoyi.vip All Rights Reserved.</span>
		</div>
	</div>
</template>

<script setup lang="ts">
import { useRouter } from "vue-router";
import { ref } from "vue";
import { ElForm, ElMessageBox } from "element-plus";
import { getCodeImg, register } from "@/api/login";

const router = useRouter();
const registerRef = ref<InstanceType<typeof ElForm>>();
const registerForm = ref({
	username: "",
	password: "",
	confirmPassword: "",
	code: "",
	uuid: "",
});

// prettier-ignore
const equalToPassword = (rule: any, value: string, callback: Function) => {
  if (registerForm.value.password !== value) {
    callback(new Error("两次输入的密码不一致"));
  } else {
    callback();
  }
};

// prettier-ignore
const registerRules = {
  username: [
    { required: true, trigger: "blur", message: "请输入您的账号" },
    { min: 2, max: 20, message: "用户账号长度必须介于 2 和 20 之间", trigger: "blur" }
  ],
  password: [
    { required: true, trigger: "blur", message: "请输入您的密码" },
    { min: 5, max: 20, message: "用户密码长度必须介于 5 和 20 之间", trigger: "blur" }
  ],
  confirmPassword: [
    { required: true, trigger: "blur", message: "请再次输入您的密码" },
    { required: true, validator: equalToPassword, trigger: "blur" }
  ],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref<string>("");
const loading = ref<boolean>(false);
const captchaEnabled = ref(true);

const handleRegister = () => {
	registerRef.value?.validate((valid: boolean) => {
		if (valid) {
			loading.value = true;
			// prettier-ignore
			register(registerForm.value).then((res: any) => {
                if (res.code === 200) {
                    const username = registerForm.value.username;
                    // prettier-ignore
                    ElMessageBox.alert("<font color='red'>恭喜你，您的账号 " + username + " 注册成功！</font>", "系统提示", {
                        dangerouslyUseHTMLString: true,
                        type: "success",
                    }).then(() => {
                        router.push("/login");
                    }).catch(() => {});
                }
            })
            .catch(() => {
                loading.value = false;
                if (captchaEnabled) {
                    getCode();
                }
            });
		}
	});
};

const getCode = () => {
	getCodeImg().then((res: any) => {
		if (res.code === 200) {
			// prettier-ignore
			captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
			if (captchaEnabled.value) {
				codeUrl.value = "data:image/gif;base64," + res.img;
				registerForm.value.uuid = res.uuid;
			}
		}
	});
};

getCode();
</script>

<style lang="scss" scoped>
.register {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100%;
	background-image: url("../assets/images/login-background.jpg");
	background-size: cover;
}
.title {
	margin: 0px auto 30px auto;
	text-align: center;
	color: #707070;
}

.register-form {
	border-radius: 6px;
	background: #ffffff;
	width: 400px;
	padding: 25px 25px 5px 25px;
	.el-input {
		height: 40px;
		input {
			height: 40px;
		}
	}
	.input-icon {
		height: 39px;
		width: 14px;
		margin-left: 0px;
	}
}
.register-tip {
	font-size: 13px;
	text-align: center;
	color: #bfbfbf;
}
.register-code {
	width: 33%;
	height: 40px;
	float: right;
	img {
		cursor: pointer;
		vertical-align: middle;
	}
}
.el-register-footer {
	height: 40px;
	line-height: 40px;
	position: fixed;
	bottom: 0;
	width: 100%;
	text-align: center;
	color: #fff;
	font-family: Arial;
	font-size: 12px;
	letter-spacing: 1px;
}
.register-code-img {
	height: 40px;
	padding-left: 12px;
}
</style>
